1-(4-Methylphenyl)piperazine

Also known as: 1-(4-methylphenyl)piperazine, 1-(p-tolyl)piperazine, N-(4-methylphenyl)piperazine, N-(p-tolyl)piperazine, 1-p-tolylpiperazine, Piperazine, 1-(4-methylphenyl)-, MFCD00040737

1-(4-Methylphenyl)piperazine (CAS 39593-08-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H16N2 and a molecular weight of 176.25800 g/mol. Key properties include a melting point of 29-32 °C, a boiling point of 116 °C, a density of 1.012 g/cm3 and a flash point of 153.8ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 39593-08-3
Jingsj CID: J-8313-6
Molecular Formula: C₁₁H₁₆N₂
Molecular Weight: 176.25800 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	29-32 °C
Boiling Point	116 °C
Density	1.012 g/cm3
Flash Point	153.8ºC
Exact Mass	176.13100
PSA	15.27000
LogP	1.79840
Refractive Index	1.54

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(4-Methylphenyl)piperazine?

The CAS number of 1-(4-Methylphenyl)piperazine is 39593-08-3.

What are the molecular formula and molecular weight of 1-(4-Methylphenyl)piperazine?

1-(4-Methylphenyl)piperazine has molecular formula C11H16N2 and molecular weight 176.25800 g/mol.

Is 1-(4-Methylphenyl)piperazine hazardous?

1-(4-Methylphenyl)piperazine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-(4-Methylphenyl)piperazine?

For 1-(4-Methylphenyl)piperazine, Upstream Products: Piperazine, 4-Bromotoluene, 4-Chlorotoluene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-(4-Methylphenyl)piperazine (CAS 39593-08-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8313-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.